Right in New York City is an impressive fort packed with history, which now serves as a museum, stunning viewpoint, and ...

Just before one sunrise on the South Carolina coast, a long-forgotten Navy vessel began its final journey to transform from ...

Deep in a quiet forest in China lies an old military aircraft, abandoned and mysterious. Possibly dating back to World War II ...

Croatia's southernmost fortress sits at the very border with Montenegro and is home to a secretive underground tunnel network ...

In the 1990s, a group of New Yorkers helped prove the effectiveness of a bold but simple approach to homelessness. Now Trump wants to end it.

The Israel Defense Forces released a video on Thursday revealing one of the “largest and most complex” tunnels used by Hamas underneath the city of Rafah in Gaza. The video shared Thursday on X, ...

At the edge of California’s Mojave Desert, the Mountain Pass mine looks like any other stretch of dust and rock. But for decades, this lonely pit supplied the world with the rare-earth elements that ...

The industrial foundations of Cumberland run deep. ACET researchers are determining how these now-abandoned coal mines under the village could generate geothermal energy to heat and cool buildings.

The Huddersfield Narrow Canal's Standedge tunnel, authorized by an Act of Parliament on 4 April 1794, stretches 5,451 yards and is notable for being the longest and oldest of the four Standedge ...

Archaeologists have completed the first comprehensive technological mapping of an intricate underground tunnel system beneath the ancient Etruscan city of Veii, revealing a sophisticated network of ...